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Modelled structures of compound 4c in OfChtI (A), HsCht (B), and hAMCase (C). Compound 4c is shown in stick representation with carbon atoms in cyan. Amino acids that interact with compound 4c are labelled and shown in stick representation with carbon atoms in yellow. Hydrogen bonds are shown as dashed black lines. The numbers indicate the subsite to which compound 4c is bound.
